diff --git a/modules/compatibility/pom.xml b/modules/compatibility/pom.xml
index 874bd31fb21fe..daf2c7b8a4cda 100644
--- a/modules/compatibility/pom.xml
+++ b/modules/compatibility/pom.xml
@@ -80,7 +80,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.8</version>
+            <version>${xstream.version}</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/modules/compress/pom.xml b/modules/compress/pom.xml
index c07bb0b7f8a1a..ed98a849895d7 100644
--- a/modules/compress/pom.xml
+++ b/modules/compress/pom.xml
@@ -107,7 +107,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.8</version>
+            <version>${xstream.version}</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/modules/control-utility/pom.xml b/modules/control-utility/pom.xml
index 56964c5a55a0d..4b9516268a1da 100644
--- a/modules/control-utility/pom.xml
+++ b/modules/control-utility/pom.xml
@@ -94,7 +94,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.8</version>
+            <version>${xstream.version}</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/modules/core/pom.xml b/modules/core/pom.xml
index 6981f15671e42..0f103dead5f03 100644
--- a/modules/core/pom.xml
+++ b/modules/core/pom.xml
@@ -79,7 +79,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.8</version>
+            <version>${xstream.version}</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/modules/direct-io/pom.xml b/modules/direct-io/pom.xml
index 84b482fbb4ced..8ab5ff6886f82 100644
--- a/modules/direct-io/pom.xml
+++ b/modules/direct-io/pom.xml
@@ -104,7 +104,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.8</version>
+            <version>${xstream.version}</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/modules/indexing/pom.xml b/modules/indexing/pom.xml
index e2a801f06e069..d3a1cdd203c60 100644
--- a/modules/indexing/pom.xml
+++ b/modules/indexing/pom.xml
@@ -86,7 +86,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.8</version>
+            <version>${xstream.version}</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/modules/numa-allocator/pom.xml b/modules/numa-allocator/pom.xml
index b9b3f04c3212b..6e76e8ee1d252 100644
--- a/modules/numa-allocator/pom.xml
+++ b/modules/numa-allocator/pom.xml
@@ -71,7 +71,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.8</version>
+            <version>${xstream.version}</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/modules/zookeeper/pom.xml b/modules/zookeeper/pom.xml
index 01b3847d53d4b..4c414a128489e 100644
--- a/modules/zookeeper/pom.xml
+++ b/modules/zookeeper/pom.xml
@@ -133,7 +133,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.8</version>
+            <version>${xstream.version}</version>
             <scope>test</scope>
         </dependency>
 
diff --git a/parent/pom.xml b/parent/pom.xml
index 1fe2f1731ff64..6dc5135c51a81 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -144,6 +144,7 @@
         <surefire.version>3.1.2</surefire.version>
         <tomcat.version>9.0.63</tomcat.version>
         <twitter.hbc.version>2.2.0</twitter.hbc.version>
+        <xstream.version>1.4.20</xstream.version>
         <yammer.metrics.annotation.version>2.2.0</yammer.metrics.annotation.version>
         <yammer.metrics.core.version>2.2.0</yammer.metrics.core.version>
         <yardstick.version>0.8.3</yardstick.version>